[PATCH] D17000: [AArch64] Reduce number of callee-save save/restores.

[Geoff Berry via llvm-commits]

gberry marked 2 inline comments as done.

================
Comment at: lib/Target/AArch64/AArch64FrameLowering.cpp:757
@@ +756,3 @@
+  RegPairInfo &LastPair = RegPairs.back();
+  assert(AFI->getCalleeSavedStackSize() % 8 == 0);
+  LastPair.Offset = AFI->getCalleeSavedStackSize() / 8;
----------------
Not currently, no.  Maybe in a future change that combines the callee-save stack bump with the local variable stack bump.

================
Comment at: lib/Target/AArch64/AArch64FrameLowering.cpp:1001
@@ +1000,3 @@
+      // store the pair.
+      if (Subtarget.isTargetMachO())
+        SavedRegs.set(UnspilledCSGPRPaired);
----------------
Good catch.  I just recalculated NumRegsSpilled at the end here so SavedRegs is always the canonical representation.


http://reviews.llvm.org/D17000